3G/HD/SD-SDI Fiber Multiplexer w Audio Ethernet Tally Intercom
Overview
The LNK-MSDI Series integrates multiple broadcast and control signals into a single fiber

optic link.Supporting 3G/HD/SD-SDI video, RS232/422/485 data, audio intercom,

tally, Ethernet, and returnvideo, it enables seamless connectivity for studio and

field production. With uncompressed broadcast-grade transmission, automatic

re-clocking, and hot-swappable modules, it ensures reliable long-distance signal

transport up to 10+ km over SMF. Designed for demanding live production, OB
vans, and professional broadcasting applications.
Features

All-in-One Multiplexing: SDI, Audio, Tally, Intercom, Ethernet & Return Video.

Standards Support: SMPTE 424M/292M/259M & DVB-ASI compliant.

Signal Integrity: Auto equalization & re-clocking for stable SDI delivery.

Flexible Interfaces: RS232/422/485 control, XLR audio, RJ45 Ethernet.

Fiber Performance: 10+Km over SMF, 300m over MMF.

Hot-Swappable Design: Easy installation & maintenance.

Wide Temperature Range: -10°C ~ +75°C for harsh environments.

Compact & Rugged: 1U-ready aluminum housing, 4kg build.
Technical Indexes

PS:
RS422 Data port assignment and pin connections

For data input and output connections, please note the following pin

assignment:

3-Wire RS422 Full Duplex Data communication connection diagram:

Transmitter End Receiver End

User’s Equipment		DATA PORT (3-PIN)	DATA PORT (3-PIN)		User’s Equipment
GND		1GND	1 IN(+)		TX(+)
IN/OUT+(A)		2 IN(-)	2 IN(-)		TX(-)
RX(+)		3 OUT(+)	3 OUT(+)		RX(+)

Application

Established in 2001& headquartered in Shenzhen, E-link China Technology Co., Ltd. (E-link) is a leading Fiber Optic Communication and CCTV Security Transmission product manufacturer in China. Our main products include active equipments including fiber media converters, CCTV fiber converters, CCTV over Ethernet Converters (HD-SDI over Ethernet, HDMI over Ethernet, Power over Ethernet), etc. With rich experience in providing high quality products in telecom and CCTV business, E-link has a large manufacturing base in Shenzhen, able to deliver cost-effective solutions to serve our customers successfully.

E-Link Quality:

• ISO9001 Quality System

• Full-Spectrum environment and electrical testing of all product design

• 48 hours aging test before delivery

• Qualified CE, RoHS, FCC

Since the launch of our products on the domestic market and international market, we have won a good reputation for our high quality products and sincere services. Our products are widely applied to network systems of Telecom, Radio and Television, Public Security, Bank ,ect. To be in line with different needs of different customers, we have people to trace the latest market information so as to keep our products competitive and vital.

Our knowledgeable sales, technical support and engineering staff are dedicated to understanding your requirements and designing products & solutions to meet your needs. We shall be pleased to provide you fiber optical network products with our best price, superior quality and fast delivery.